Sennheiser HD 300 PRO508288 · HD 300 PRO (not HD 300 PROtect) · wired- Wearing style
- Over-ear (circumaural), closed-back wired monitoring headphonesThis one: Over-ear (circumaural), closed-back wired gaming headset
- Weight
- 297 gThis one: 308 g
HEADPHONES
HyperX Cloud III
Black · wired · HyperX part 727A8AA
- Acoustic design
- Closed-back
- Wearing style
- Over-ear (circumaural), closed-back wired gaming headset
- Impedance
- 64 ohm
The HyperX Cloud III (SKU 727A8AA, black) is a closed-back, over-ear wired gaming headset with angled 53 mm drivers, a full metal (aluminium) frame, ear-cup volume and mic-mute controls, a detachable 10 mm noise-cancelling microphone and a USB dongle alongside its 3.5 mm connection. HyperX lists it for PC, PlayStation, Xbox, Switch, Mac and mobile.
Prices & buying options
As an Amazon Associate I earn from qualifying purchases.
Price alert
Email me when the HyperX Cloud III gets cheaper on eBay. We check exact-model listings once a day at 12:00 UTC.
THE ACTUAL PRODUCT
Compare with Sennheiser HD 300 PRO
Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
The nearest checked headphones by key specifications, with what differs from the HyperX Cloud III. The first matches the Compare button above.
Sennheiser HD 300 PRO508288 · HD 300 PRO (not HD 300 PROtect) · wired
Sennheiser HD 300 PROtect506898 · HD 300 PROtect (with ActiveGard) · wired- Wearing style
- Over-ear (circumaural), closed-back wired monitoring headphonesThis one: Over-ear (circumaural), closed-back wired gaming headset
- Weight
- 297 gThis one: 308 g
Sennheiser HD 280 PRO506845 · HD 280 PRO · wired- Wearing style
- Over-ear (circumaural), closed-back wired monitoring headphonesThis one: Over-ear (circumaural), closed-back wired gaming headset
- Weight
- 285 gThis one: 308 g
Key strengths
One headset covers 3.5 mm, USB-C and USB-A: the 3.5 mm plug suits devices with a headphone jack, and the supplied USB dongle and adapter cover USB-C and USB-A ports.
HyperX lists compatibility with PC, PS5, PS4, Xbox Series X|S, Xbox One, Nintendo Switch, Mac and mobile.
Before you buy
The documented audio connections are 3.5 mm and the supplied USB dongle. The “noise-cancelling” label applies to the microphone; active noise cancellation for listening remains unestablished.
HyperX lists 308 g without the microphone and 320 g with it, and publishes cable lengths only in feet on its US page.
Every specification. With its source.
Full specifications
Exact configuration: 727A8AA · Black · wired
20 specifications in 6 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Design & fit
5 items
- Acoustic design
- Closed-backSource
- Wearing style
- Over-ear (circumaural), closed-back wired gaming headset
- Weight
- 308 g
Without microphone; 320 g with the microphone attached (UK page). The US page lists 0.67 lb / 0.70 lb.
- Ear cushions
- Memory foam with premium leatheretteSource
- Frame materials
- Full metal frame (aluminium)
Connections & battery
4 items
- Wired / wireless connections
- Wired: 3.5 mm, plus a USB dongle for USB-C, and USB-A via the supplied adapter
No wireless connection. The USB dongle supports 16- and 24-bit audio (USB 2.0).
- Battery life
- Not listed by the manufacturer
The reviewed exact sources do not explicitly establish battery life or a whole-device no-battery operating requirement. A wired connection, omitted charger or Battery included N does not establish not-required.
Source - Supplied cables
- Headset cable 3.93 ft; USB dongle cable 4.26 ft
HyperX lists imperial lengths only.
Source - Compatibility
- PC, PS5, PS4, Xbox Series X|S, Xbox One, Nintendo Switch, Mac, mobileSource
Audio specifications
6 items
- Impedance
- 64 ohm
Listed on the UK page only; the US page omits impedance.
Source - Rated sensitivity
- 100 dB SPL/mW at 1 kHz
dB/mW reference.
- Driver construction
- Dynamic, 53 mm with neodymium magnets (angled)Source
- Driver size
- 53 mmSource
- Rated frequency response
- 10 Hz – 21 kHz
- Rated total harmonic distortion
- <2%
HyperX does not state the test frequency or level for this figure.
Calls & noise control
3 items
- Active noise cancellation
- Not listed by the manufacturer
The reviewed exact sources do not explicitly establish active noise cancellation presence or absence for listening. Preserve separately documented microphone noise reduction, closed construction or passive attenuation; none negates active ANC.
Source - Microphone
- Yes
Detachable 10 mm electret condenser microphone, unidirectional, noise-cancelling, with LED mute indicator.
Source - Microphone
- Detachable electret condenser, unidirectional, noise-cancelling; −42 dBV (0 dB = 1 V/Pa at 1 kHz)Source
Software & controls
1 item
- Controls
- Onboard ear-cup controls for headphone volume and microphone mute
In the box
1 item
- In the box
- Headset, detachable microphone, USB dongle, USB-C to USB-A adapter, quick start guideSource
Compare with other headphones
More of the nearest checked headphones by key specifications, for a side-by-side comparison.
Sennheiser MOMENTUM 4 WirelessBlack · model M4AEBTCompare the two 
Beyerdynamic MMX 300 PRO730670 · black · wired gaming headsetCompare the two 
Beyerdynamic DJ 300 PRO X1001619 · DJ 300 PRO X (not CLUB) · wiredCompare the two 
Beyerdynamic DT 700 PRO X737704 · 48 ohm · blackCompare the two 
Beyerdynamic AVENTHO 1001001613 · black · wireless ANC on-earCompare the two 
Sennheiser ACCENTUM Plus Wireless700176 · Black · model ACPAEBTCompare the two 
Beyerdynamic AVENTHO Y1002671 · Liquid Black · wireless ANC over-earCompare the two 
Sennheiser HD 569506829 · wired, with 1-button remote and microphone cableCompare the two